linux-kernel - Re: [PATCH 2/3] fbdev: Make deferred I/O work as advertized

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Message-ID: <871w6z6ajs.fsf@pike.pond.sub.org>
Date:	Tue, 26 Feb 2008 15:45:43 +0100
From:	Markus Armbruster <armbru@...hat.com>
To:	"Jaya Kumar" <jayakumar.lkml@...il.com>
Cc:	linux-kernel@...r.kernel.org, virtualization@...ts.osdl.org,
	xen-devel@...ts.xensource.com,
	linux-fbdev-devel@...ts.sourceforge.net, adaplas@....net,
	linux-input@...r.kernel.org, dmitry.torokhov@...il.com,
	akpm@...ux-foundation.org
Subject: Re: [PATCH 2/3] fbdev: Make deferred I/O work as advertized

"Jaya Kumar" <jayakumar.lkml@...il.com> writes:

> On Mon, Feb 25, 2008 at 8:03 AM, Markus Armbruster <armbru@...hat.com> wrote:
>>
>>     Subject: [PATCH 1/1 2.6.24] fbdev: defio and Metronomefb
>>     From: Jaya Kumar <jayakumar.lkml@...il.com>
>>     Date: 2008-02-18 13:41:26
>
> Hi Markus,
>
> Andrew pointed out that there may be race conditions associated with
> this patch. [ http://marc.info/?l=linux-fbdev-devel&m=120376473020396&w=2
> ] So I would not encourage anyone to merge it. I'll try to figure
> things out this weekend.
>
> Thanks,
> jaya

Thanks for the timely info.  I'm not in an undue hurry to get this
merged.  As long as we're moving forward, I'm happy.

What about pushing the fb_defio fixes independently of any new
fb_defio users?  If fb_defio was worth merging into Linus's tree, it
should be worth fixing there, whether new users are in shape already
or not.

If we must have a new user, well, I could easily whip up something
like FB_VIRTUAL on top of fb_defio.
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